Skip to main content

Table 1 Comparison of ΔLW, ΔAP, ΔFD in three retainer groups

From: Accuracy and stability of computer-aided customized lingual fixed retainer: a pilot study

Variable

Mean ± SD (mm)

p-Value

Median (IQR) (mm)

Custom-cut

Custom-bent

Manual

ΔLW (T0-T1)

0.04 ± 0.03

0.06 ± 0.05

0.06 ± 0.04

0.207

 

0.03 (0.01–0.05)

0.05 (0.02–0.07)

0.05 (0.02–0.08)

 

ΔLW (T0-T2)

0.03 ± 0.03

0.08 ± 0.08

0.06 ± 0.06

0.092

 

0.03 (0.01–0.05)

0.07 (0.01–0.15)

0.05 (0.02–0.11)

 

ΔAP (T0-T1)

0.03 ± 0.02

0.03 ± 0.03

0.04 ± 0.03

0.203

 

0.02 (0.01–0.04)

0.02 (0.01–0.05)

0.03 (0.02–0.07)

 

ΔAP (T0-T2)

0.03 ± 0.03

0.04 ± 0.04

0.03 ± 0.02

0.383

 

0.02 (0.01–0.05)

0.03 (0.02–0.05)

0.03 (0.02–0.04)

 

ΔFD (T0-T1)

0.04 ± 0.06

0.05 ± 0.05

0.04 ± 0.03

0.215

 

0.02 (0.00–0.04)

0.04 (0.01–0.08)

0.05 (0.01–0.07)

 

ΔFD (T0-T2)

0.04 ± 0.04

0.04 ± 0.03

0.06 ± 0.05

0.402

 

0.04 (0.01–0.07)

0.02 (0.01–0.05)

0.05 (0.02–0.10)

 
  1. SD: standard deviation; IQR: interquartile range.
  2. P values were calculated using Kruskal–Wallis test (α = 0.05).